Think About the Process The length of a rectangle is twice the width. The area of the rectangle is 86 square units. Notice that you can divide the rectangle into two squares with equal area. How

can you estimate the side length of each square? Estimate the length and width of the rectangle.

How can you estimate the side length of each square?

OA. Estimate V86.

OB. Estimate V43 .

V 86

OC. Estimate

4.

43

OD. Estimate

4

The rectangle is units long and units wide.

.

(Round to the nearest tenth as needed.)

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.